Gamma Balance Adjustment <20H/23H/25H, 23Ha/28Ha> - Toshiba e-STUDIO2006 Service Manual

6.5.2 Gamma balance adjustment <20H/23H/25H, 23HA/28HA>
The density is adjusted by adjusting the gamma balance. The adjustment is performed by selecting its
density area from the following: low density, medium density and high density.
Smooth
Color
mode
(PCL)
Black 7317-0
(600dpi)
7317-1
7317-2
Notes:
Changing the adjustment setting influences the adjacent density area slightly.
E.g.: When the value of the medium density is larger, the adjacent areas in the low density and
high density range will become slightly darker.
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in the codes to be adjusted (language and screen) and press the [START] button.
(3) Key in the value corresponding to the density area to be adjusted (0, 1 or 2) and press the
[START] button.
0: Low density 1: Medium density 2: High density
(4) Key in an adjustment value. (To correct the value once keyed in, press the [CLEAR/STOP]
button.)
(5) Press the [OK] button to store the value in memory. The equipment goes back to the test mode A
screen.
(6) For resetting the value, repeat step (2) to (5).
(7) Turn the power OFF and then back ON to perform printing job.
(8) If the image density has not been attained, repeat step (2) to (7).
e-STUDIO2006/2306/2506/2007/2307/2507/2303A/2303AM/2803AM/2309A/2809A
SETTING / ADJUSTMENT
Detail
Item to be adjusted
(PCL)
7318-0 Low density
7318-1 Medium density
7318-2 High density
Remarks
The larger the value is, the density of
the item to be adjusted becomes
darker.
Acceptable values: 0 to 255
(Default: 128)
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